Signs Intact Yorkie Is In Heat. That after you read this article, you would know what might be dangerous for your doggy and the signs of it. Take a look at your yorkie’s licking their genitals.

For this reason, you’ll notice just a few physical changes that can indicate the yorkie heat cycle. Moreover, the average age is 10 to 12 months, this is the age that you can expect yorkies to go into heat. An unspayed female yorkie can usually experience heat around every six to eight months.